Explain in detail about functional modelling, Software Engineering

Assignment Help:

Explain in detail about Functional Modelling.

  • This model explains the computations that take place within a system.
  • This model is useful when the transformation from the inputs to outputs is difficult.
  • The functional model of a system can be shown by a data Flow Diagram (DFD).

Data Flow Diagrams/Data Flow Graph/Bubble chart

  • A DFD is a graphical shown that depicts the information flow and the transforms that are applied as the data move from input to output.
  • Level 0 DFD also known as fundamental system model or context model shows the whole software as a single bubble with input and output data indicated by incoming and outgoing arrow

 


Related Discussions:- Explain in detail about functional modelling

What is equivalence partitioning, Equivalence Partitioning: -Equivalence pa...

Equivalence Partitioning: -Equivalence partitioning is black box testing method that separates the input domain of a program into classes of data from which test cases can be deriv

Name the commonly used architectural styles, Name the commonly used archite...

Name the commonly used architectural styles. i. Data centered architecture. ii. Data flow architecture. iii. Call and return architecture.

What is stepwise refinement, What is stepwise refinement? Stepwise Ref...

What is stepwise refinement? Stepwise Refinement:- Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively

What are the three activities of risk assessment, What are the three activi...

What are the three activities of risk assessment? Ans: The three activities are analyzing, identifying and giving priorities. Risks are able to be identified by a check list

SDLC model, What is the advantage of using prototype software development m...

What is the advantage of using prototype software development model instead of waterfall model?

Developing conventional, a) Describe refactoring in XP practices. Why refac...

a) Describe refactoring in XP practices. Why refactoring is important for making high quality software systems using agile approach?   b) Can agile approach being used in dev

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd